HKS CIRCLE EARTH SYSTEM TERMINAL SET

Batteries, Starting & Charging parts and accessories for street cars, trucks, SUVs, Jeeps, muscle cars, imports, and powersports builds are stocked at Black Ops Auto Works. Shop batteries, alternators, battery chargers, jump starters, battery tiedowns, grounding kits, battery testers, terminals, cables, isolators, switches, and charging accessories for street performance, reliable repairs, and application-specific upgrades. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 268 collection SKUs across fitment, electrical or mechanical function, materials, installation needs, and performance goals. Starting Power and Battery Types Choose a conventional, AGM, lithium, or application-specific battery around the vehicle’s required group size, reserve capacity, cold cranking rating, and terminal layout. A performance build with amplifiers, electric fans, or auxiliary lighting can nee...

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

Automotive grounding kits provide supplemental electrical grounds between critical vehicle components, addressing the voltage drops and electrical resistance in aging or inadequate factory ground circuits that cause a wide range of drivability, electrical, and starting problems. The factory grounding points in any production vehicle are designed to meet minimum electrical specifications under ideal conditions, and over time corrosion, loose connections, and current demand from added electronics can create ground path resistance that causes subtle but cumulative problems including rough idle, dim lighting, slow starter cranking, and erratic sensor readings. A quality grounding kit adds dedicated low-resistance woven copper or braided cables from the battery negative terminal to the engine block, chassis, and body ground points, ensuring all major electrical consumers share a common low-impedance ground reference that eliminates the voltage differentials that cause these problems. Per...

HKS Japanese performance parts for Toyota Supra, Nissan Skyline GT-R, Nissan Silvia and 240SX, Subaru WRX and STI, and other JDM platforms are stocked at Black Ops Auto Works. Shop turbo kits, cat back exhaust systems, coilovers, blow off valves, and engine management upgrades for RB26DETT, SR20DET, 2JZ-GTE, and EJ series turbocharged engines. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 607 HKS SKUs across forced induction, exhaust, suspension, and engine management categories. What This Collection Covers HKS has built its reputation on Japanese sport compact and sports car performance since the late 1970s, developing turbo kits, exhaust systems, and suspension for platforms including the Toyota Supra 2JZ-GTE, Nissan Skyline GT-R RB26DETT, Nissan Silvia and 240SX SR20DET, and Subaru WRX and STI EJ and FA series engines. This collection brings together fitment verified HKS pa...